Which atom, released from a chlorofluorocarbon under the influence of UV rays, decomposes ozone into oxygen?

Chlorofluorocarbons are major depletor of ozone layer in stratosphere . They split to release chlorine. One atom of chlorine converts how many molecules of ozone into oxygen ?

Earth is protected from UV rays by

A thin film of water, held by the soil particles under the influence of internal attractive force, is called which of the following water

A body starts moving unidirectionally under the influence of a source of constant power . Which one of the graph corectly shows the variation of displacement (s) with time (t)?

Write the mechanism of absorption of UV-rays by atmospheric ozone layer .

A certain sol undergoes anaphoresis under the influence of an electric field. Which of the following is highly effective in the coagulation of this sol-

Match the biochemical processes given under column I with their respective cellular locations given under column II. From the answers, choose the cne which gives the correct combination of alphabets

A photosynthetic organism which does not release oxygen is